Not all sellers present diamond grading lab experiences (aka diamond high quality experiences) to their shoppers. So my common recommendation to you is to maintain your cash in your pocket when coping with such jewelers.
Solely buy a diamond engagement ring if it comes with the unique diamond high quality report.
A lab report is an unbiased analysis of the 4Cs of a unfastened diamond and features a plotted diagram of the stone’s readability traits and a graphic illustration of the stone’s proportions. Having such a report means that you can evaluate diamonds of various qualities and finally helps you make a extra knowledgeable shopping for resolution.
A retailer could minimize corners and never present a lab report or an unscrupulous vendor could present a faux one due to the time, hassle and expense he’ll bear to getting a stone graded.
Yeah – there’s a worth for grading a diamond (although that value is finally paid by the patron), plus the delivery and insurance coverage prices for sending the diamond to the lab. And allow us to not neglect the chance value of a jeweler not having the diamond in his retailer on the market for a couple of weeks whereas the grading takes place.
Nevertheless, a diamond grading report can also not be out there as a result of the prices to getting one could influence too closely on the ultimate worth of the ring.
For instance, a Zero.3ct diamond ring costing $250 say, could value round $75 to be graded and have the report quantity inscribed on the girdle on the diamond.
As you seek for that excellent diamond engagement ring on your sweetheart, you will discover that there’s an alphabet soup of labs claiming to supply respected diamond grading experiences. However I’d solely put my cash on…
The Premier Diamond Grading Lab Reviews
Sure, all diamond online high quality experiences should not created equal. Inside the business, it’s a consensus that the 2 premier labs are GIA-GTL (Gemological Institute of America’s Gem Commerce Lab) and the AGS (American Gem Society Laboratories).
The GCAL (Gem Certification and Assurance Lab) additionally gives extremely regarded experiences or “diamond certificates” as they’re referred to by GCAL.
The GIA has the strongest international fame for independence and consistency. Attributable to their fixed coloration and readability strictness tips, the globe’s largest and costliest diamonds have been despatched there for grading a long time. In 2006, GIA-GTL added a two-dimensional minimize grading system for spherical good diamonds.
AGS makes use of the strictest minimize requirements within the business. It makes use of a three-dimensional gentle efficiency metric that may grade a number of diamond shapes. The truth is, it’s the solely minimize grading system that’s acknowledged by the scientific neighborhood.
What’s extra, its Diamond High quality Doc makes use of a novel and proprietary Zero to 10 grading system to guage the four Cs – a system which is simpler to grasp than GIA’s grading system. The truth is, AGS even goes the additional step by equating their Zero-10 ranking scale to different types of ranking.
For instance, the standard VS1 diamond readability ranking is a three on the AGS Diamond High quality Doc.
Diamond Reporting – The Drawbacks
1. Diamond grading shouldn’t be standardized or regulated and therefore you could come throughout tier 2 labs that make use of looser tips to the tier 1 grading labs talked about above.
In the event you purchase a diamond that has been graded by a tier 2 lab, you could find yourself paying extra for a lesser high quality diamond. So for instance, a diamond rated a “F” in coloration at a tier 2 lab could get a G, H, or decrease coloration ranking at a extra respected lab.
The business additionally reductions diamonds graded by lesser recognized labs by about 15-30% or extra. So both you solely purchase a diamond graded by a tier 1 lab otherwise you settle for that you just is likely to be shopping for a lesser high quality diamond than what’s acknowledged on the report if that diamond is graded by a lesser recognized lab.
2. Many giant chain shops have big contracts with lesser recognized labs with “softer” diamond grading tips. A few of these softer labs put “prompt substitute values” on the lab experiences – values that are increased than what shops intends promote the diamonds for.
So a salesman in a series retailer could say to you, “Have a look at the nice deal you’re getting right here. We’re promoting you this diamond engagement ring for $2500 however the report says that the prompt substitute worth is $4000.” Wow – what a deal – NOT! Because of this it’s higher that you just belief solely unbiased tier 1 labs.
Additionally keep in mind that respected diamond grading experiences should not value determinations and do not supply appraisal figures. Diamond value determinations are sometimes grossly inflated and should not one thing you will wish to depend on.
three. Diamond experiences are riddled with disclaimers that specify that nothing is “licensed” or assured and that the labs should not accountable for errors. The truth is, the GIA gives a disclaimer of types on their web site relating to using the phrase “certify.” The web site says:
“It’s incorrect to state that college students, graduates, their companies, or explicit gems are “licensed” by GIA. The Gemological Institute of America doesn’t certify anybody or something. Neither a scholar nor a graduate who has been awarded a certificates or diploma, nor a gem which has been graded or recognized by GIA has been licensed by GIA”.